"...I found that denatured alcohol will cut the oil finish on Tru-oil stocks..."
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Perhaps denatured alcohol (as in the kind that is used for shellac) will cut Tru-Oil but I know that regular Rubbing Alcohol doesn't do a thing to it.
The reason I know this is that my inlays are all installed prior to staining and finishing.
To protect the faces of the inlays I cover them with some Scotch Magic Tape. Because this tape almost disappears and it is easily cut I can then trace the edges of the inlay with a new pointed Exacto knife blade and remove all of the tape which was outside the inlay.
After the stock coating is finished, I then have to remove the Magic Tape but by that time it has decided it likes its new home.
By applying Rubbing Alcohol to the edges of the tape and carefully trying to lift the tape with my pointed knife blade I can get it off. The alcohol seems to slowly unstick the tapes adhesive but it does nothing to the Tru-Oil.
If I need to repair one of my Tru-Oil stocks, I'll give your suggestion a try. :hatsoff:
zonie